Tactical USA Flag Police Law Enforcement Thin Blue Line Patch - Black White 2"x3" Hook and Loop Backing - By Ranger Return (TACT-BLUE-LINE) Tactical USA Flag Police Law Enforcement Thin Blue Line Patch with hook and loop touch fastener 100% High Quality, Detailed Embroidery Hook backing for attachment to Tactical Hats and Gear 2"x3" sized "Ranger Return" brand is Registered Trademark in United States